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Chapter 9: Quiz 1
By Charles Keeler
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14 questions
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True or False: This is a statistical question
Question 1
1.
This is a statistical question:
How many hours do sixth-grade students sleep per night?
True
False
Question 2
2.
This is a statistical question:
How many countries are in North America?
True
False
Display the data in a dot plot. Identify any clusters, peaks, or gaps in the data.
Question 3
3.
Display the data in a dot plot. Identify any clusters, peaks, or gaps in the data.
visibility
View drawing
Question 4
4.
Display the data in a dot plot. Identify any clusters, peaks, or gaps in the data.
visibility
View drawing
Find the mean of the data.
Question 5
5.
Find the mean of the data: 6, 5, 5, 8, 13, 4, 6, 12, 1, 0
Question 6
6.
Find the mean of the data: 125, 15, 30, 110, 70
Find the median and mode(s) of the data.
Question 7
7.
Find the
median
of the data: 3, 3, 4, 5, 8, 10, 11
Question 8
8.
Find the
mode
of the data: 3, 3, 4, 5, 8, 10, 11
Question 9
9.
Find the
median
of the data: 15, 4, 3, 12, 20, 12, 13
Question 10
10.
Find the
mode
of the data: 15, 4, 3, 12, 20, 12, 13
Find the mean, median, and mode(s) of the data. Choose the measure that best represents the data.
Question 11
11.
Find the mean, median, and mode(s) of the data. Choose the measure that best represents the data: 12, 15, 16, 18, 20, 90
Question 12
12.
Find the mean, median, and mode(s) of the data. Choose the measure that best represents the data: 66, 73, 66, 75, 80
Question 13
13.
The data are the number of text messages you send a day. Find the mean, median, and mode of the data: 10, 12, 20, 8, 6, 10, 18
Question 14
14.
Find the mean, median, and mode(s) of the data with and without the outlier. Which measure did the outlier affect the most?
8, 10, 10, 11, 16, 17, 19, 21, 41